Trouble Shooting - Brother 884-639 Operation Manual

Trouble Shooting

Before taking your sewing machine in for service, check the following chart. You can solve most problems by yourself. If you need additional help, the Brother
✽
Solutions Center offers the latest FAQs and troubleshooting tips. Visit us at " http://solutions.brother.com ".
Upper threading is not
Thread
threaded correctly.
Breakage
Re-thread machine
properly.
Bobbin thread is not passing
Bobbin Thread
correctly from bobbin case.
Reinsert bobbin
Breakage
properly.
Needle is not inserted
Skipped
correctly.
Stitches
Reinsert.
Fabric
Threading is incorrect.
Puckers
Rethread machine.
13-15
Fabric Won't Feed
Stitch length is too short.
Properly or Irregular
Adjust stitch length.
Stitches
Upper threading is
Loop in
incorrect.
Re-thread machine
Seam
properly.
Needle is not attached
Needle
correctly.
Breakage
Reattach.
Sewing Machine
The power isn't on.
Doesn't Run
Turn the power on.
The area under the needle
Machine is
plate needs to be cleaned.
Clean feed dog and
Noisy
bobbin case.
Needle is not in the
Automatic Needle
highest position.
Threader Doesn't
Turn hand wheel to
Work
raise needle.
Needle is not properly
Thread Cutter
inserted.
Doesn't Work
Reinsert. Set needle to highest
position in chamber.
Upper thread tension is
Thread is getting tangled.
too high.
Rethread machine.
Reduce tension.
Clean bobbin case and under
14 13-15.24
needle plate. Oil the machine.
Thread is getting tangled. Bobbin tension is too high.
Rethread machine.
Clean bobbin case and Reduce tension.
13
13-15.24
under needle plate.
Needle is bent, or tip is
Wrong needle.
dulled.
See chart on p.16 to choose the
needle that best fits your Change needles.
10 16
fabric-thread combination.
Wrong needle for the fabric Upper thread tension is
and thread you are using. too high.
See chart on p.16 to choose the
Reduce tension.
needle that best fits your
16
fabric-thread combination.
Sewing heavyweight fabric with
Pressure of sewing foot is
feed dogs in lightweight fabric
too weak.
position.
Increase foot pressure. Adjust feed dogs.
7
8
Upper thread does not run Thread is not passing through
through the take-up spring. bobbin case correctly.
Pass thread through the
Reset bobbin case.
14 take-up spring correctly. 14
Improper fabric/needle/
Wrong needle.
thread combination.
See chart on p.16 for the right
Change needles.
needle to use with your
10 10
fabric and thread.
The foot controller has
Machine's not plugged in.
come unplugged.
Check to make sure the
Reattach foot controller.
7 7
machine's plugged in.
Machine is out of oil.
Oil the machine.
24 24
Hook of needle threader doesn't
pass through eye of needle.
Wrong needle for the
thread you're using.
Check to make sure the hook isn't
bent. Needle may need to raised
See chart on p.16.
7 16
to the highest position.
Needle is bent, or tip is
Wrong needle.
dulled.
See chart on p.16 to choose the
Change needles.
needle that best fits your
10 16
fabric-thread combination.
Improper fabric/needle/
Bobbin case is scratched.
thread combination.
See chart on p.16 for the right
Remove needle plate and
needle to use with your
16 16
check bobbin case.
fabric and thread.
Bobbin case is scratched.
Remove needle plate and
16 check bobbin case.
Area under needle Machine is not threaded
plate needs to be cleaned. properly.
Clean feed dog and bobbin
Rethread machine.
10 24
case. Oil the machine.
You're sewing a lightweight fabric with
Bobbin tension is too high.
feed dogs in heavyweight position.
Reduce tension. Adjust feed dogs.
16 16
Thread is getting tangled.
Rethread machine. Clean needle
9 13-15.24
plate and bobbin case.
Improper fabric/needle/
thread combination.
See chart on p.16 for the right
needle to use with your
13 16
fabric and thread.
You're pulling the fabric
too hard.
Pull the fabric more gently.
16
The automatic safety
Machine is out of oil.
device has operated.
Clean and oil the
machine.
7 24
Using the automatic needle
threader incorrectly.
Check the use of the auto-
matic needle threader. 15
Area under needle plate Upper threading is
needs to be cleaned. incorrect.
Clean feed dog and
Re-thread machine.
10
bobbin case. 24
13-15
9
14
25